Usually its a bad sign when you get naked and everyone laughs. But for these guys and gals, it's all part of the gig.
The Clown Conservatory Class of 2008 in the US has taken the unusual step of stripping off for a calendar, in order to raise money for Multiple Sclerosis research.
The circus funsters say they’re aiming to make a million dollars for the cause.
Interested? Check it out at www.nakedclowncalendar.com